US Bridges

S.H. 66 over Deep Fork River

Fair

Oklahoma County, Oklahoma · 13.1 MI E of JCT I-35 · Structure no. 196180000000000

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
197 ft
3 main spans
Daily traffic
3,100
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 66 over Deep Fork River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 66 over Deep Fork River in Oklahoma County, Oklahoma. It was built in 1979, so it is 46 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,100 vehicles a day, roughly 15% of them trucks, projected to reach 4,960 by 2042. The structure is 197 ft (60 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesS.H. 66
CrossesDeep Fork River
Location13.1 MI E of JCT I-35
RouteState Highway 66
CountyOklahoma County
StateOklahoma
Coordinates35.66642, -97.20166
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length197 ft (60 m)
Longest span65 ft (19.8 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2022)
Projected traffic4,960 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 66 over Deep Fork River built?

It was built in 1979, making it 46 years old in 2025.

What condition is S.H. 66 over Deep Fork River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does S.H. 66 over Deep Fork River carry?

About 3,100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 66 over Deep Fork River?

The structure is 197 ft (60 m) long with a longest span of 65 ft (19.8 m) and a deck 46 ft wide.

Who owns S.H. 66 over Deep Fork River?

It is owned by the State Highway Agency.